/*
Copyright 2021 Swiftrax <swiftrax@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#include QMK_KEYBOARD_H

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   [0] = LAYOUT_ansi_split_bs(
    KC_ESC , KC_F1  , KC_F2  , KC_F3  , KC_F4  , KC_F5  , KC_F6  , KC_F7  , KC_F8  , KC_F9  , KC_F10 , KC_F11 , KC_F12 ,
    KC_GRV , KC_1   , KC_2   , KC_3   , KC_4   , KC_5   , KC_6   , KC_7   , KC_8   , KC_9   , KC_0   , KC_MINS, KC_EQL , KC_BSPC, KC_BSLS, KC_DEL ,
    KC_TAB , KC_Q   , KC_W   , KC_E   , KC_R   , KC_T   , KC_Y   , KC_U   , KC_I   , KC_O   , KC_P   , KC_LBRC, KC_RBRC, KC_BSLS,          KC_INS ,
    KC_CAPS, KC_A   , KC_S   , KC_D   , KC_F   , KC_G   , KC_H   , KC_J   , KC_K   , KC_L   , KC_SCLN, KC_QUOT, KC_ENT ,                   KC_INS ,
    KC_LSFT, KC_Z   , KC_X   , KC_C   , KC_V   , KC_B    ,KC_N   , KC_M   , KC_COMM, KC_DOT , KC_SLSH, KC_RSFT,                   KC_UP  , KC_END ,
    KC_LCTL, KC_LGUI, KC_LALT,                           KC_SPC ,          KC_RALT, KC_RGUI, KC_RCTL,                    KC_LEFT, KC_DOWN, KC_RGHT),
   [1] = LAYOUT_ansi_split_bs(
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                   _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                   _______, _______,
    _______, _______, _______,                   _______,          _______, _______, _______,                            _______, _______, _______),
    [2] = LAYOUT_ansi_split_bs(
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                   _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                   _______, _______,
    _______, _______, _______,                   _______,          _______, _______, _______,                            _______, _______, _______)
};

#ifdef OLED_ENABLE

oled_rotation_t oled_init_user(oled_rotation_t rotation) {
    return OLED_ROTATION_0;
}

#define IDLE_FRAMES 5
#define IDLE_SPEED 10

#define ANIM_SIZE 600 // number of bytes in array, minimize for adequate firmware size, max is 1024
#define ANIM_FRAME_DURATION 150 //how long each frame lasts in ms

uint32_t anim_timer = 0;
uint32_t anim_sleep = 0;
uint8_t current_idle_frame = 0;

static void render_anim(void){
    static const char PROGMEM idle[IDLE_FRAMES][ANIM_SIZE] = {
        {
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        64,
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        0,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,  0,  0,  0,  0,  0,  0,  0,  0,  0,128, 96, 16, 31,  0,  0,  0,  0, 12, 30, 30, 12,  0,  0,  8, 24, 24,  8,  0,  0, 24, 60, 60, 24,  0,  0,128, 64,  0,  0,  0,  0,  0,  0,  0, 15, 48, 96,192,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  7,  8, 16, 16, 16, 16,  8,  4,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  7, 24, 32, 32, 32, 32, 16, 12,  4,  4,  4,  4,  4,  7,  4,  4, 12,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8, 24, 16, 16, 16, 16, 16, 16, 16, 16, 16, 48, 32, 32, 32, 32, 32, 32, 96, 64,
        64,
        }
    };
    void animation_phase(void) {
        current_idle_frame = (current_idle_frame + 1) % IDLE_FRAMES;
        oled_write_raw_P(idle[abs((IDLE_FRAMES-1)-current_idle_frame)], ANIM_SIZE);
    }

    if(get_current_wpm() != 000) {
        oled_on(); // not essential but turns on animation OLED with any alpha keypress
        if(timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
            anim_timer = timer_read32();
            animation_phase();
        }
        anim_sleep = timer_read32();
    }
    else {
        if(timer_elapsed32(anim_sleep) > OLED_TIMEOUT)
            oled_off();
        else {
            if(timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
                anim_timer = timer_read32();
                animation_phase();
            }
        }
    }
}

bool oled_task_user(void) {
    render_anim();
    return false;
}
#endif
